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SubjectRe: [PATCH v9 4/8] PCI: imx6: Disable iMX6QDL PCIe REF clock when disable PCIe clocks
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Am Freitag, dem 06.05.2022 um 09:47 +0800 schrieb Richard Zhu:
> When disable PCIe clocks, disable i.MX6QDL PCIe REF clock too.
>
> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>

Reviewed-by: Lucas Stach <l.stach@pengutronix.de>

> ---
> drivers/pci/controller/dwc/pci-imx6.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
> index 9b0eac64badc..7005a7910003 100644
> --- a/drivers/pci/controller/dwc/pci-imx6.c
> +++ b/drivers/pci/controller/dwc/pci-imx6.c
> @@ -536,6 +536,14 @@ static void imx6_pcie_clk_disable(struct imx6_pcie *imx6_pcie)
> clk_disable_unprepare(imx6_pcie->pcie_bus);
>
> switch (imx6_pcie->drvdata->variant) {
> + case IMX6Q:
> + case IMX6QP:
> + regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
> + IMX6Q_GPR1_PCIE_REF_CLK_EN, 0);
> + regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
> + IMX6Q_GPR1_PCIE_TEST_PD,
> + IMX6Q_GPR1_PCIE_TEST_PD);
> + break;
> case IMX6SX:
> clk_disable_unprepare(imx6_pcie->pcie_inbound_axi);
> break;


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